參數(shù)資料
型號: S-35390A-J8T1G
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: LEAD FREE, SOP-8
文件頁數(shù): 56/56頁
文件大?。?/td> 529K
代理商: S-35390A-J8T1G
2-WIRE REAL-TIME CLOCK
Rev.3.0_00
S-35390A
Seiko Instruments Inc.
9
2.
Configuration of command
8 types of command are available for the S-35390A, The S-35390A does Read/Write the various registers by inputting
these codes and commands. The S-35390A does not perform any operation with any codes and commands other than
those below.
Table 9
List of Command
Command
Data
Device
Code
C2 C1 C0
Description
B7
B6
B5
B4
B3
B2
B1
B0
0
Status register 1 access
RESET
*1
24
/
12
SC0
*2
SC1
*2
INT1
*3
INT2
*3
BLD
*4
POC
*4
0
1
Status register 2 access
INT1FE INT1ME INT1AE
32kE
INT2FE INT2ME INT2AE TEST
*5
0
1
0
Real-time data 1 access
(year data to)
Y1
M1
D1
W1
H1
m1
s1
Y2
M2
D2
W2
H2
m2
s2
Y4
M4
D4
W4
H4
m4
s4
Y8
M8
D8
*6
H8
m8
s8
Y10
M10
D10
*6
H10
m10
s10
Y20
*6
D20
*6
H20
m20
s20
Y40
*6
PM
/
AM
m40
s40
Y80
*6
0
1
Real-time data 2 access
(hour data to)
H1
m1
s1
H2
m2
s2
H4
m4
s4
H8
m8
s8
H10
m10
s10
H20
m20
s20
PM
/
AM
m40
s40
*6
INT1 register access
(alarm time 1: week/hour/minute)
(INT1AE = 1, INT1ME = 0,
INT1FE = 0)
W1
H1
m1
W2
H2
m2
W4
H4
m4
*6
H8
m8
*6
H10
m10
*6
H20
m20
*6
PM
/
AM
m40
A1WE
A1HE
A1mE
1
0
INT1 register access
(output of user-set frequency)
(INT1ME = 0, INT1FE = 1)
1 Hz
2 Hz
4 Hz
8 Hz
16 Hz
SC2
*2
SC3
*2
SC4
*2
INT2 register access
(alarm time 2: week/hour/minute)
(INT2AE = 1, INT2ME = 0,
INT2FE = 0)
W1
H1
m1
W2
H2
m2
W4
H4
m4
*6
H8
m8
*6
H10
m10
*6
H20
m20
*6
PM
/
AM
m40
A2WE
A2HE
A2mE
1
0
1
INT2 register access
(output of user-set frequency)
(INT2ME = 0, INT2FE = 1)
1 Hz
2 Hz
4 Hz
8 Hz
16 Hz
SC5
*2
SC6
*2
SC7
*2
1
0
Clock correction register access
V0
V1
V2
V3
V4
V5
V6
V7
0110
1
Free register access
F0
F1
F2
F3
F4
F5
F6
F7
*1. Write-only flag. The S-35390A initializes by writing “1” in this register.
*2. Scratch bit. A R/W-enabled, user-free register.
*3. Read-only flag. Valid only when using the alarm function. When the alarm time matches, this flag is set to “1”, and it is
cleared to “0” when Read.
*4. Read-only flag. “POC” is set to “1” when power is applied. It is cleared to “0” when Read. Regarding “BLD”, refer to “
Low Power Supply Voltage Detection Circuit”.
*5. Test bit for SII. Be sure to set “0” in use.
*6. No effect by Write. It is “0” when Read.
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